English verb conjugation
CAN DEFOG

Regular verb: defog - defoged - defoged

Affirmation

Simple form	V-ing form
I can defog you can defog he can defog we can defog you can defog they can defog	I can be defoging you can be defoging he can be defoging we can be defoging you can be defoging they can be defoging
Perfect	V-ing perfect
I can have defoged you can have defoged he can have defoged we can have defoged you can have defoged they can have defoged	I can have been defoging you can have been defoging he can have been defoging we can have been defoging you can have been defoging they can have been defoging

Negation

Simple form	V-ing form
I can't defog you can't defog he can't defog we can't defog you can't defog they can't defog	I can't be defoging you can't be defoging he can't be defoging we can't be defoging you can't be defoging they can't be defoging
Perfect	V-ing perfect
I can't have defoged you can't have defoged he can't have defoged we can't have defoged you can't have defoged they can't have defoged	I can't have been defoging you can't have been defoging he can't have been defoging we can't have been defoging you can't have been defoging they can't have been defoging

Interrogative form

Simple form	V-ing form
can I defog? can you defog? can he defog? can we defog? can you defog? can they defog?	can I be defoging? can you be defoging? can he be defoging? can we be defoging? can you be defoging? can they be defoging?
Perfect	V-ing perfect
can I have defoged? can you have defoged? can he have defoged? can we have defoged? can you have defoged? can they have defoged?	can I have been defoging? can you have been defoging? can he have been defoging? can we have been defoging? can you have been defoging? can they have been defoging?

Interro-negative form

Simple form	V-ing form
can't I defog? can't you defog? can't he defog? can't we defog? can't you defog? can't they defog?	can't I be defoging? can't you be defoging? can't he be defoging? can't we be defoging? can't you be defoging? can't they be defoging?
Perfect	V-ing perfect
can't I have defoged? can't you have defoged? can't he have defoged? can't we have defoged? can't you have defoged? can't they have defoged?	can't I have been defoging? can't you have been defoging? can't he have been defoging? can't we have been defoging? can't you have been defoging? can't they have been defoging?